<template>
 <div>
  <p>我是App组件</p>
  <Demo :value="count" @input="vlaue=>count=value"></Demo>
  <Demo v-model="count"></Demo>
 </div>
</template>
<script>
import Demo from './components/Demo.vue'
export default {
  components: { Demo },
 data() {
 return {
  count:1
 }
 },
 methods:{
 },
}
</script>
<style lang="less" scoped>

</style>
